Because, well, what's in it for them? They can now create facts and take the market if they so please. They are the only ones that have a huge software library behind them that is heavily loaded with indie developers (i.e. the only ones that are willing and able to take a risk with a rather tiny market).

Yes Sony has the Playstation and its market share behind it, but the PS market depends heavily on large studios, and so far they have been wary to invest into the VR market because it is still very small, no play ground for AAA titles.

I don't know yet, I have seen a few very intelligent attempts at it and I would say we're still way too early in the game to tell whether there is a solution.

Yes, there are VR games that make even me sick (and I'm a roller coaster junkie, with dark rides being very much on top of my "wannahave" list), but these are invariably games that don't take the specific needs of that new medium into account. Other games had better ideas, and yes, there are ways to move about without making the player feel like he is about to hurl.

Developing something like this takes time. There is a good reason why you see a fair lot of low/no cost games right now, people and companies are pretty much trying to find out what's going to work and what isn't.

1. Develop exploit.2. Sell exploit kit to people who want to pirate soft but can't develop exploit.3. Wait for about as long as it takes to reverse engineer your exploit.4. Report exploit to Nintendo and collect the 20k. It's just pocket change, all right, but someone's going to report it anyway.5. Start over at 1.